Log transform of an image

A=input('Enter the value of constant A=');

a=imread('cameraman.tif');

[m,n]=size(a);

b=im2double(a);

for i=1:m

    for j=1:n

       

        r=b(i,j);

        s(i,j)=A*log(r+1);

    end

end

figure,

subplot(1,2,1);subimage(a);title('Original Image');

subplot(1,2,2);subimage(uint8(s));title('Log Transform');xlabel(sprintf('Constant is %g',A));

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About Ashadullah Shawon

I am Ashadullah Shawon. I am a Software Engineer. I studied Computer Science and Engineering (CSE) at RUET. I Like To Share Knowledge. Learn More: Click Here